121465151 has 2 divisors, whose sum is σ = 121465152. Its totient is φ = 121465150.

The previous prime is 121465147. The next prime is 121465189. The reversal of 121465151 is 151564121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121465151 - 2² = 121465147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121465151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121462151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60732575 + 60732576.

It is an arithmetic number, because the mean of its divisors is an integer number (60732576).

Almost surely, 2^121465151 is an apocalyptic number.

121465151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121465151 is an equidigital number, since it uses as much as digits as its factorization.

121465151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 26.

The square root of 121465151 is about 11021.1229464152. The cubic root of 121465151 is about 495.2417293647.

The spelling of 121465151 in words is "one hundred twenty-one million, four hundred sixty-five thousand, one hundred fifty-one".